﻿using SecurityApi.Business;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web.Security;

namespace SecurityApi.Provider
{
    public class CustomMembershipProvider : MembershipProvider
    {

        public override string ApplicationName
        {
            get
            {
                throw new NotImplementedException();
            }
            set
            {
                throw new NotImplementedException();
            }
        }

        public override bool ChangePassword(string username, string oldPassword, string newPassword)
        {
            throw new NotImplementedException();
        }

        public override bool ChangePasswordQuestionAndAnswer(string username, string password, string newPasswordQuestion, string newPasswordAnswer)
        {
            throw new NotImplementedException();
        }

        public override MembershipUser CreateUser(string username, string password, string email, string passwordQuestion, string passwordAnswer, bool isApproved, object providerUserKey, out MembershipCreateStatus status)
        {
            throw new NotImplementedException();
        }

        public override bool DeleteUser(string username, bool deleteAllRelatedData)
        {
            throw new NotImplementedException();
        }

        public override bool EnablePasswordReset
        {
            get { throw new NotImplementedException(); }
        }

        public override bool EnablePasswordRetrieval
        {
            get { throw new NotImplementedException(); }
        }

        public override MembershipUserCollection FindUsersByEmail(string emailToMatch, int pageIndex, int pageSize, out int totalRecords)
        {
            throw new NotImplementedException();
        }

        public override MembershipUserCollection FindUsersByName(string usernameToMatch, int pageIndex, int pageSize, out int totalRecords)
        {
            throw new NotImplementedException();
        }

        public override MembershipUserCollection GetAllUsers(int pageIndex, int pageSize, out int totalRecords)
        {
            throw new NotImplementedException();
        }

        public override int GetNumberOfUsersOnline()
        {
            throw new NotImplementedException();
        }

        public override string GetPassword(string username, string answer)
        {
            throw new NotImplementedException();
        }

        public override MembershipUser GetUser(string username, bool userIsOnline)
        {
            throw new NotImplementedException();
        }

        public override MembershipUser GetUser(object providerUserKey, bool userIsOnline)
        {
            throw new NotImplementedException();
        }

        public override string GetUserNameByEmail(string email)
        {
            throw new NotImplementedException();
        }

        public override int MaxInvalidPasswordAttempts
        {
            get { throw new NotImplementedException(); }
        }

        public override int MinRequiredNonAlphanumericCharacters
        {
            get { throw new NotImplementedException(); }
        }

        public override int MinRequiredPasswordLength
        {
            get { throw new NotImplementedException(); }
        }

        public override int PasswordAttemptWindow
        {
            get { throw new NotImplementedException(); }
        }

        public override MembershipPasswordFormat PasswordFormat
        {
            get { throw new NotImplementedException(); }
        }

        public override string PasswordStrengthRegularExpression
        {
            get { throw new NotImplementedException(); }
        }

        public override bool RequiresQuestionAndAnswer
        {
            get { throw new NotImplementedException(); }
        }

        public override bool RequiresUniqueEmail
        {
            get { throw new NotImplementedException(); }
        }

        public override string ResetPassword(string username, string answer)
        {
            string[] elements = username.Split('|');

            int myEnterpriseId = 1;
            string actualUserName = string.Empty;
            if (elements.Length > 0)
            {
                actualUserName = elements[0].Trim();
                if (elements.Length == 2)
                {
                    myEnterpriseId = int.Parse(elements[1].Trim());
                }
                else
                {
                    myEnterpriseId = 1; //Default Enterprise
                }
            }

            PasswordHelper passwordHelper = new PasswordHelper();
            string tempPassword = passwordHelper.GeneratePassword();

            //Update the database with this new password
            string salt = string.Empty;
            UserManager mgr = new UserManager();
            bool bResult = mgr.UpdatePasswordInformation(actualUserName, tempPassword, out salt, myEnterpriseId);

            return tempPassword; 
        }

        public override bool UnlockUser(string userName)
        {
            throw new NotImplementedException();
        }

        public override void UpdateUser(MembershipUser user)
        {
            throw new NotImplementedException();
        }

        /// <summary>
        /// Using the old membership provider, enable the support for advanced feaures such as enterprise, applications
        /// When passing the username to this, follow this convention: <username>|<enterpriseid>
        /// </summary>
        /// <param name="username"></param>
        /// <param name="password"></param>
        /// <returns></returns>
        public override bool ValidateUser(string username, string password)
        {
            string[] elements = username.Split('|');

            int myEnterpriseId = 1;
            string actualUserName = string.Empty;
            if (elements.Length > 0)
            {
                actualUserName = elements[0].Trim();
                if (elements.Length == 2)
                {
                    myEnterpriseId = int.Parse(elements[1].Trim());
                }
                else
                {
                    myEnterpriseId = 1; //Default Enterprise
                }
            }

            UserManager mgr = new UserManager();
            bool bResult = mgr.VerifyPassword(actualUserName, password, myEnterpriseId);

            return bResult;
        }
    }
}
